A big ++ on identifying the considerer! (I picture a meeting in which one monk stands and offers a motion, then the rest vote on it).

On the topic of duplicates, the considerer should always provide a link to the suposed "original" node so that voters can check for themselves. Often "duplicates" aren't exactly the same and a bit of judgement is required to decide which one to keep (e.g. newbies who ignore the preview then re-post to correct formatting). So while we're giving poor idle vroom suggestions, maybe the consider nodelet could have a button (& box?) for "alleged duplicate of node"?

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I'd like to be able to assign to an luser